Home / 22,916,476-31,625,531.76-12,603,979.36

Finding the Fourth Proportional to 22,916,476, 31,625,531.76 and 12,603,979.36

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Solution

The fourth proportional to 22,916,476, 31,625,531.76 and 12,603,979.36 is: 17,393,928.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,916,476 : 31,625,531.76 = 12,603,979.36 : x
  2. Step 2: Convert to fraction form
    22,916,476/31,625,531.76 = 12,603,979.36/x
  3. Step 3: Cross multiply
    22,916,476x = 31,625,531.76 × 12,603,979.36
  4. Step 4: Simplify right side
    22,916,476x = 398,607,549,552,064.50
  5. Step 5: Solve for x
    x = 398,607,549,552,064.50/22,916,476
  6. Step 6: Final answer
    x = 17,393,928.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.